The herbarium named after Janaki Ammal at Indian Institute of Integrative Mediciene, Jammu which houses houses more than
21,500 specimens representing 3,254 species, 1,152 genera
and 218 families of Angiosperms, Gymnosperms and Pteridophytes.

The Government of India honoured her with the Padma Sri in 1957.

In 2000, Ministry of Environment and Forestry instituted the National Award of Taxonomy in her name.